In Iceland you can find all sorts of wonders from waterfalls, geysers, cave and hotsprings, now if you are going to put the last two together, you will get Grjotagja. This is a geothermal pool inside a cave. So not only will you go caving but you will have to put on your bathing suit and go dipping into it. Although this hotspring is really, really hot in summer, around 50 °C. But if you get in it during winter, the water is perfect. This small cave can be found near Lake Myvatn, so if you happened to be in the area, feel free to visit Grjotagja.

What to bring in Grjotagja?


So during winter, you need to first put on your wintercoats and hiking or trekking shoes as you would have to walk a couple of minutes, please ask a local first if it is safe to go or you can bring a tour guide with you. Careful steps would be needed when entering the cave as it would be icy and slippery on the entrance of the cave. You will also need to bring some headlamps or flashlights to light the place as you see, it would be a cave exploration at the same time. Although there are several candle stubs inside it you just need to bring a torch or candle and some matches. It would also be advisable to bring with you helmet for head protection just in case. When you reach the spring, all you have to do is to strip off your wintercoats and enjoy the hot water. The promise comfort is that you would actually forget about the cold wind and snow outside as it would be warm inside the cave.


The cave can hold around 100 people, yes, it is quite huge for a small cave. The ceiling is quite high in some areas of the cave, but be extra careful when reaching the edges though, you might bump your head because they would be quite lower than you think. Remember, you will be submerged in the water so it would be quite difficult to notice plus it is fairly dark inside Grjotagja.

Location Map — Grjotagja

Grjotagja a Nature’s Gift instead

The beauty in Iceland is that Icelanders tend to make even the scariest hissing pool of mud with sulfur smell, a tourist attraction. So Grjotagja didn’t get the exception. Despite of the nearness to boiling point water inside it, the locals made it as their cave bathing pool, ignoring the fact that it is a growl of nature. I mean, a crack from the ground with very hot water, considered a nature’s gift. Why, Icelanders treats every misery a blessing. But Grjotagja is just too fascinating to be left alone especially during long cold winter nights. So don’t be surprised if you have some couple of folks submerged inside the cave during lonely winter nights because one of Iceland’s best hot springs is Grjotagja.